(root)/
glibc-2.38/
sysdeps/
unix/
sysv/
linux/
riscv/
ucontext-macros.h
       1  /* Macros for ucontext routines.
       2     Copyright (C) 2017-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library.  If not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #ifndef _LINUX_RISCV_UCONTEXT_MACROS_H
      20  #define _LINUX_RISCV_UCONTEXT_MACROS_H
      21  
      22  #include <sysdep.h>
      23  #include <sys/asm.h>
      24  
      25  #include "ucontext_i.h"
      26  
      27  #define MCONTEXT_FSR (32 * SZFREG + MCONTEXT_FPREGS)
      28  
      29  #define SAVE_FP_REG(name, num, base)			\
      30    FREG_S name, ((num) * SZFREG + MCONTEXT_FPREGS)(base)
      31  
      32  #define RESTORE_FP_REG(name, num, base)			\
      33    FREG_L name, ((num) * SZFREG + MCONTEXT_FPREGS)(base)
      34  
      35  #define RESTORE_FP_REG_CFI(name, num, base)		\
      36    RESTORE_FP_REG (name, num, base);			\
      37    cfi_offset (name, (num) * SZFREG + MCONTEXT_FPREGS)
      38  
      39  #define SAVE_INT_REG(name, num, base)			\
      40    REG_S name, ((num) * SZREG + MCONTEXT_GREGS)(base)
      41  
      42  #define RESTORE_INT_REG(name, num, base)		\
      43    REG_L name, ((num) * SZREG + MCONTEXT_GREGS)(base)
      44  
      45  #define RESTORE_INT_REG_CFI(name, num, base)		\
      46    RESTORE_INT_REG (name, num, base);			\
      47    cfi_offset (name, (num) * SZREG + MCONTEXT_GREGS)
      48  
      49  #endif /* _LINUX_RISCV_UCONTEXT_MACROS_H */